/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.nhncorp.neptune.common.testhelper;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.UndeclaredThrowableException;

import org.apache.commons.logging.Log;

public class ProxyExceptionHelper {

  public static void handleException(UndeclaredThrowableException e, Log LOG) throws IOException {
    if (e.getUndeclaredThrowable() instanceof InvocationTargetException) {
      InvocationTargetException ex = ((InvocationTargetException) e.getUndeclaredThrowable());
      if (ex.getTargetException() instanceof IOException) {
        throw (IOException) ex.getTargetException();
      } else {
        LOG.fatal("Unexpected exception is occurred", ex.getTargetException());
        throw new IOException("Unexpected exception is occurred : " + e, e);
      }
    } else {
      LOG.fatal("Unexpected exception is occurred", e);
      throw new IOException("Unexpected exception is occurred : " + e, e);
    }
    
  }

}
